Power generator



FIG. 1 is a front view of a power generator showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear view thereof; and

FIG. 6 is a bottom view thereof. 

The ornamental design for a power generator, as shown. 